html {
  font-size: 16px;
}

img {
  height: 100%;
  width: 100%;
}

/* 清除a标签的默认颜色和下划线 */
a {
  text-decoration: none;
  color: inherit;
  /* 或者指定一个颜色，如 color: #000; */
}

a:hover {
  text-decoration: none;
  cursor: pointer;
}

/* 更具体的选择器（权重更高） */
.navbar.top-navbar-white {
  background-color: white;
  /* 可选：强制覆盖 */
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.1);
}

.nav-item-link {
  color: #fff;
  font-size: 1rem;
}

.nav-item-link:hover {
  color: #fff;
}

.nav-item-style-dark:hover .nav-item-link-dark {
  color: #ffc637;
}

.nav-item-link.nav-item-link-dark {
  transition: all 0.3s;
  color: #1a1a1a;
}

.nav-web {
  display: flex;
  flex-wrap: nowrap;
  width: 45rem;
}

.nav-item-style {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 1;
  /* height: 96px; */
  text-align: center;
}

.nav-item-style::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  /* 初始左偏移 50% */
  transform: translateX(-50%);
  width: 0px;
  height: 3px;
  background-color: white;
  transition: width 0.3s ease;
  /* 过渡动画 */
}

.nav-item-style:hover::after {
  width: 26px;
}

.nav-item-style-dark.nav-item-style::after {
  background-color: #ffc637;
}

.hidden-header {
  transform: translateY(-100%);
}

.header {
  min-height: 70px;
  background: rgba(15, 35, 65, 0.2);
  padding: 0 8.85vw;
  transition: all .3s ease-out;
}

.header-large {
  /* height: 96px; */
}

.navbar-toggler-custom {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  color: #fff;
  overflow: hidden;
  border: none !important;
  height: 100%;
}

.navbar-toggler-dark-color {
  color: #222222 !important;
}

.navbar-toggler-custom i {
  font-size: 2rem;
}

.dropdown-menu-custom {
  padding-top: 38px;
  margin: 0px;
  background-color: rgba(0, 0, 0, 0);
  border: none;
  transition: all 0.3s;
  min-width: initial;
  width: 100%;
}

.dropdown-menu-box {
  display: inline-block;
  background: #ffffff;
  box-shadow: 3px 0px 28px 9px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 8px;
}

.dropdown-menu-item {
  display: inline-block;
  width: 100%;
  border-radius: 12px 12px 12px 12px;
  height: 49px;
  line-height: 24.5px;
  transition: all 0.3s;
  padding: 14px;
  white-space: nowrap;
}

.dropdown-menu-item:hover {
  background: #f5f5f5;
  color: #000000;
}

.language-toggle {
  width: 82px;
  color: rgba(255, 255, 255, 0.6);
}

.languag-web-ch,
.language-web-en {
  cursor: pointer;
  transition: all 0.3s;
}

.language-toggle.language-toggle-dark {
  color: #222222;
}

.language-toggle.language-toggle-dark .languag-web-ch:hover {
  color: #ffc637;
}

.language-toggle.language-toggle-dark .language-web-en:hover {
  color: #ffc637;
}

.language-toggle.language-toggle-dark .language-active {
  color: #ffc637;
}

.language-middle {
  margin: 0 1rem;
}

.language-active {
  color: #fff;
}

.navbar-logo {
  width: 28.38rem;
  height: 3.13rem;
}

.title-box {
  height: 42.5rem;
  background-image: url(../assets/image/prodect-center/prodC.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.container-box {
  min-height: 800px;
  background: orange;
}

.footer-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #333333;
  font-size: 0.85rem;
  color: #c2c2c2;
}

.footer-box-top {
  padding-top: 4rem;
  display: flex;
}

.footer-box-top-line {
  width: 1px;
  height: 14.38rem;
  background: rgba(255, 255, 255, 0.1);
}

.footer-box-bottom {
  height: 7.5rem;
  color: #c2c2c2;
}

.footer-box-bottom-line {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-top: 0.5rem;
}

.friendship-link {
  color: #c2c2c2;
}

.friendship-link a {
  text-decoration: underline;
}

.friendship-link a:hover {
  color: white;
}

.friendship-record-box {
  display: flex;
  margin-top: 1.94rem;
}

.friendship-link {
  margin-right: 18.06rem;
}

.groups_links {
  width: 8.13rem;
}

.groups_links a {
  display: block;
  line-height: 2.38rem;
}

.groups_links a:hover {
  color: #fff;
}

.groups_title {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-box-top-right {
  padding-left: 4rem;
}

.contact-us {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 1rem;
}

.contact-us-wrap {
  display: flex;
}

.contact-us-box {
  line-height: 2rem;
  margin-right: 1.75rem;
}

.qr-code {
  display: flex;
  align-items: center;
  height: 6.99rem;
}

.qr-code img {
  width: 6.88rem;
  height: 6.99rem;
  margin-right: 0.69rem;
}

.qr-code-text {
  width: 1.19rem;
  height: 6rem;
  line-height: 1rem;
}

.phone {
  display: block;
}

.h5-group-links {
  display: none;
}

.h5-link-item {
  color: #fff;
  font-size: 1rem;
}

.h5-link-collapse {
  display: flex;
  flex-wrap: wrap;
}

.h5-link-collapse a {
  margin-top: 0.75rem;
  flex: 1 1 30%;
  /* 基础宽度设为30%，允许增长和收缩 */
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.h5-link-collapse.h5-link-collapse-dark a {
  color: #1a1a1a;
}

.h5-link-collapse.h5-link-collapse-dark a:active {
  color: #1a1a1a;
}

.h5-link-collapse.h5-link-collapse-dark a:hover {
  color: #1a1a1a;
}

.h5-link-collapse a:active {
  color: #fff;
  /* 点击时的颜色 */
}

.h5-link-collapse a:hover {
  color: #fff;
  /* 点击时的颜色 */
}

.h5-link-item-box {
  margin-bottom: 2rem;
}

.h5-contact-us {
  margin-bottom: 0.75rem;
}

.h5-language-toggle {
  display: flex;
  align-items: center;
  flex-direction: row-reverse;
  height: 3rem;
}

.h5-language-cn,
.h5-language-en,
.h5-language-middle {
  color: rgba(255, 255, 255, 0.5);
}

.h5-language-cn.active,
.h5-language-en.active {
  color: #fff;
}

.h5-language-dark-span {
  color: #1a1a1a !important;
}

.h5-language-dark-span.active {
  color: #ffc637 !important;
}

.mobile-group-links {
  display: none;
}

.mobile-link-item-box {
  margin-bottom: 2rem;
}

.mobile-link-item {
  width: 100%;
  font-size: 1rem;
  color: #ffffff;
  line-height: 1.5rem;
}

.foot-collapse {
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.mobile-link-collapse {
  display: flex;
  flex-wrap: wrap;
}

.mobile-link-collapse a {
  display: block;
  margin-top: 0.94rem;
  line-height: 1.31rem;
  width: 50%;
}

.mobile-link-collapse a:active {
  color: #fff;
  /* 点击时的颜色 */
}

.mobile-link-collapse a:hover {
  color: #fff;
  /* 点击时的颜色 */
}

.float-box {
  position: fixed;
  bottom: 30px;
  right: 20px;
  z-index: 200;
  display: flex;
}

.support-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  width: 50px;
  height: 138px;
  background: #ffffff;
  box-shadow: 0px 4px 20px 0px rgba(0, 0, 0, 0.1);
  border-radius: 160px 160px 160px 160px;
  cursor: pointer;
  padding: 15px;
  color: #585755;
  transition: all 0.3s ease;
}

.support-box i {
  font-size: 24px;
  margin-bottom: 3px;
}

.support-box span {
  text-align: center;
  font-size: 14px;
}

.to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #ffffff;
  box-shadow: 0px 4px 20px 0px rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
}

.to-top i {
  font-size: 28px;
  color: #585755;
}

.to-top:hover {
  background: #FFC637;
}

.contact-card {
  position: relative;
  padding: 28px;
  border-radius: 12px;
  background: #FFFFFF;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.05);
  border: 1px solid #E5E6EB;
  display: none;
  align-items: center;
  min-width: 312px;
  height: 97px;
  animation: slideIn 0.3s ease-out;
  margin: 22px 20px 0 0;
}

.contact-card::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: white;
  border-right: 1px solid #E5E6EB;
  border-top: 1px solid #E5E6EB;
  transform: translateY(-50%) rotate(45deg);
}

.support-box:not(.disable-hover):hover {
  background: #FFC637;
}

.official-website a {
  color: #c2c2c2;
}

.official-website a:hover {
  color: #fff;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.phone-icon {
  width: 40px;
  height: 40px;
  margin-right: 14px;
}

.contact-label {
  font-weight: bold;
  font-size: 16px;
  color: #1A1A1A;
  line-height: 20px;
  margin-bottom: 4px;
}

.contact-phone {
  font-size: 14px;
  color: #3E6FF7;
  line-height: 20px;
}

.phone-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.phone-modal {
  position: fixed;
  left: 0;
  bottom: -100%;
  width: 100%;
  background: white;
  border-radius: 12px 12px 0 0;
  padding: 30px 20px;
  transition: bottom 0.3s ease-out;
  z-index: 1000;
}

.phone-modal.show {
  bottom: 0;
}

.phone-modal-title {
  font-weight: bold;
  font-size: 18px;
  color: #1A1A1A;
  line-height: 20px;
  margin-bottom: 30px;
}

.phone-box {
  display: flex;
  align-items: center;
  margin-bottom: 80px;
}

.phone-box img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.phone-box span {
  font-size: 16px;
  color: #4E5969;
  line-height: 20px;
}

.nav-bar-box a:hover {
  color: #ffc637;
}

.full_screen_mask {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 201;
}

@media (max-width: 1800px) {
  .header {
    padding: 0 calc(50vw - 720px);
  }
}

@media (max-width: 1670px) {
  .nav-web {
    width: 36rem;
  }
}

@media (max-width: 1499px) {
  .header {
    padding: 0 1.88rem 0 1.25rem;
  }

  .nav-web {
    width: 34rem;
  }
}

@media (max-width: 1200px) {
  .footer-box-top {
    display: block;
    height: inherit;
    width: 100%;
    padding-right: 1.88rem;
    padding-left: 1.88rem;
  }

  .footer-box-top-line {
    width: 100%;
    padding-right: 1.88rem;
    padding-left: 1.88rem;
    margin-top: 1.5rem;
    margin-bottom: 1.75rem;
    height: 1px;
  }

  .footer-box-bottom {
    padding: 0 1.88rem;
  }

  .footer-box-top-right {
    padding-left: 0px;
  }

  .contact-us-wrap {
    justify-content: space-between;
  }

  .phone {
    display: inline-block;
    margin-right: 0.8rem;
  }

  .friendship-record-box {
    justify-content: space-between;
  }

  .friendship-link {
    margin-right: 0;
  }
}

@media (max-width: 1199px) {
  .navbar-nav-web {
    display: none;
  }

  .h5-group-links {
    display: block;
    margin-top: 26px;
  }
}

@media (max-width: 768px) {
  .navbar-logo {
    width: 15.44rem;
    height: 1.75rem;
  }

  .friendship-record-box {
    display: block;
  }

  .contact-us-wrap {
    display: block;
  }

  .qr-code {
    margin-top: 1.25rem;
    margin-bottom: 1.75rem;
  }

  .group_links {
    display: none;
  }

  .mobile-group-links {
    display: block;
  }

  .friendship-link {
    margin-bottom: 1.25rem;
  }

  .support-box {
    height: 50px;
  }
  .support-box span {
    display: none;
  }
}

@media (max-width: 576px) {
  .header {
    min-height: 70px;
  }

  .footer-box {
    font-size: 0.81rem;
  }

  .footer-box-top {
    padding-top: 1.88rem;
  }

  .contact-us {
    margin-bottom: 0.63rem;
  }

  .navbar-toggler-custom {
    height: 70px;
  }
}